E-Tube Y-Splitter (320mm/50mm/250mm) enhance-sean Triple X-Durability

Triple X-Durability

Largest Cog: 36

You won't have to roll up your pants leg to ride in style for the office or the evening

Trail and AM applications

Super wide 10-42T gear range is a perfect fit for any ride -

E-Tube Y-Splitter (320mm/50mm/250mm) enhance-sean Triple X-DurabilityShimano E Tube wires and connectors FEATURES: Frame grommets for E tube internal wiring compatible frames are sold separately, see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Ultegra Di2 wires utilize Shimano's e tube technology; e tube is a two prong system and is NOT cross compatible with Dura Ace 7970 Di2 wiring All e tube wires may be used for internal or external applications